Verified API 4.0.0 compatibility and made the necessary changes

examples/gettextExample.lua

@@ -53,7 +53,7 @@ LUA ERROR Hallo Welt!
 
 ]] 
 local dt = require "darktable"
-dt.configuration.check_version(...,{3,0,0})
+dt.configuration.check_version(...,{3,0,0},{4,0,0})
 
 -- Not translated Text
 dt.print_error("Hello World!")

examples/hello_world.lua

@@ -27,7 +27,7 @@ USAGE
 
 ]]
 local dt = require "darktable"
-dt.configuration.check_version(...,{2,0,0},{3,0,0})
+dt.configuration.check_version(...,{2,0,0},{3,0,0},{4,0,0})
 
 dt.print("hello, world")
 

examples/moduleExample.lua

@@ -32,7 +32,7 @@ https://www.darktable.org/lua-api/index.html.php#darktable_new_widget
 
 local dt = require "darktable"
 
-dt.configuration.check_version(...,{3,0,0})
+dt.configuration.check_version(...,{3,0,0},{4,0,0})
 
 -- add a new lib
 local check_button = dt.new_widget("check_button"){label = "MyCheck_button", value = true}

examples/preferenceExamples.lua

@@ -22,7 +22,7 @@ USAGE
 * require this script from your main lua file
 ]] 
 local dt = require "darktable"
-dt.configuration.check_version(...,{2,0,1},{3,0,0})
+dt.configuration.check_version(...,{2,0,1},{3,0,0},{4,0,0})
 
 dt.preferences.register("preferenceExamples",        -- script: This is a string used to avoid name collision in preferences (i.e namespace). Set it to something unique, usually the name of the script handling the preference.
                         "preferenceExamplesString",  -- name